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參數(shù)資料
| 型號： | TDA5155X |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 光電元器件 |
| 英文描述： | Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads |
| 中文描述： | 10 CHANNEL READ WRITE AMPLIFIER CIRCUIT, UUC68 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 112K |
| 代理商： | TDA5155X |
1997 Apr 08
19
Philips Semiconductors
Preliminary specification
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
TDA5155
DR
rejection ratio of SCLK and
SDATA; note 6
from SCLK, SDATA inputs to the
RDx-RDy outputs; a 200 mV
(peak-to-peak) signal is applied
to SCLK or SDATA inputs at
25 MHz, and measurement is
performed at RDx-RDy
DC voltage between RDx and
RDy
50
dB
V
O(R)(dif)
output DC offset voltage in
read mode (differential
after DC settling)
output impedance in read
mode
maximum differential
output current
common mode output
voltage in read mode
common mode DC supply
rejection ratio in read mode
±
0.2
V
Z
o(R)
single ended
16
I
o(max)(dif)
4
mA
V
o(cm)
RDx, RDy
1.0
1.5
2.0
V
20
dB
Z
o(n)(dif)
differential output
impedance in other modes
(write, standby, sleep)
50
k
Write characteristics
I
WR
write current adjust range
(in the write drivers)
tolerance (excluding R
ext
)
maximum voltage swing
(peak-to-peak value)
R
ext
= 10 k
; 1 mA steps
20
35
51
mA
I
WR
V
I
WR
programmed at 35 mA
V
CC(WD)
= 5 V
V
CC(WD)
= 8 V (differential)
±
7
200
8
13
%
V
V
R
o(dif)
differential output
resistance
differential output
capacitance
write current rise/fall time
without flip-flop
(10% to 90%); note 7
C
o(dif)
not including the head
capacitance
L
h
= 150 nH; R
h
= 10
;
I
WR
= 35 mA; f = 20 MHz
V
CC(WD)
= 8.0 V
V
CC(WD)
= 6.5 V
percentage of t
r
or t
f
(t
r
or t
f
and
logic asymmetry)
write head short-circuited, data
flip-flop by-passed
5
pF
t
r
, t
f
1.8
2.1
5
ns
ns
%
t
as
write current rise/fall time
asymmetry; note 8
propagation delay 50% of
(WDIx/WDIy) to 50% of
(Wx, Wy)
channel separation
t
pd
5
ns
α
cs
not-selected head
45
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
---------------------
V
CC
)
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